Is there a command to issue on a Cat6500 switch to show if there has been any routing updates in the past 7 days?

We are investigating a posisble loss of connection between two sites which caused us to lose connection to a clustered SQL solution we have. Because of this, our syslog server which connects to the SQL cluster couldn't report any network changes.

The 'outage' would have only lasted 5-10secs (if at all) so I would like to see if the switches connecting the sites show any updates/changes to the rout tables etc.